release_checklist.txt

* git checkout -b release/x.x.x
* sphinxcontrib/bibtex/__init__.py: set final version
* CHANGELOG.rst:
  - set release date
  - all important changes are documented
* doc:
  - all new features are properly documented
  - all new features have versionadded
  - all workarounds are properly documented
  - fixed workarounds are removed
  - git clean -xfd
  - python setup.py install --user && cd doc && make html && make linkcheck
* make pull request on github
  - travis build passes
  - coverage at 100%
  - on github, merge release/x.x.x into develop and delete the release branch
  - git remote update --prune && git checkout develop && git merge --ff-only origin/develop
* create and register source zip
  - git clean -xfd
  - python3 setup.py sdist bdist_wheel
  - twine upload dist/*
* test upload
  - pip uninstall sphinxcontrib-bibtex
  - pip install --user -U sphinxcontrib-bibtex
  - cd sphinxcontrib-bibtex/test
  - nosetests
* push release
  - git checkout master && git merge --ff-only develop
  - git tag -a -m "Tagging version `cat VERSION`" `cat VERSION`
  - git push origin master
  - git push --tags
  - git checkout develop
  - git branch -d release/x.x.x
* activate new version on readthedocs.org
* prep for next cycle
  - git checkout develop
  - sphinxcontrib/bibtex/__init__.py: bump to x.x.xa0
  - CHANGELOG.rst: bump to x.x.x (in development)
  - git commit -a -m "Version bump. [skip ci]"
  - git push origin develop